ncurses 6.1 - patch 20180728

[ncurses.git] / man / menu_pattern.3x

diff --git a/man/menu_pattern.3x b/man/menu_pattern.3x
index 693ebe35729a25f3b0ecfd57e323ae2198f69fa2..6b9fbccd1fa36381d5f8790595f14d43fcdcab0f 100644 (file)
--- a/man/menu_pattern.3x
+++ b/man/menu_pattern.3x
@@ -1,5 +1,5 @@
 .\"***************************************************************************
-.\" Copyright (c) 1998 Free Software Foundation, Inc.                        *
+.\" Copyright (c) 1998-2015,2018 Free Software Foundation, Inc.              *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *
 .\" copy of this software and associated documentation files (the            *
@@ -26,10 +26,11 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.'" $Id: menu_pattern.3x,v 1.5 1998/03/11 21:12:53 juergen Exp $
+.\" $Id: menu_pattern.3x,v 1.16 2018/07/28 22:08:59 tom Exp $
 .TH menu_pattern 3X ""
 .SH NAME
-\fBmenu_pattern\fR - get and set a menu's pattern buffer
+\fBset_menu_pattern\fP,
+\fBmenu_pattern\fR \- set and get a menu's pattern buffer
 .SH SYNOPSIS
 \fB#include <menu.h>\fR
 .br
@@ -38,45 +39,53 @@ int set_menu_pattern(MENU *menu, const char *pattern);
 char *menu_pattern(const MENU *menu);
 .br
 .SH DESCRIPTION
-Every menu has an associated pattern match buffer.  As input events that are
-printable ASCII characters come in, they are appended to this match buffer
+Every menu has an associated pattern match buffer.
+As input events that are
+printable characters come in, they are appended to this match buffer
 and tested for a match, as described in \fBmenu_driver\fR(3X).
-
+.PP
 The function \fBset_menu_pattern\fR sets the pattern buffer for the given menu
-and tries to find the first matching item.  If it succeeds, that item becomes
-current; if not, the current item does not change.  
-
+and tries to find the first matching item.
+If it succeeds, that item becomes
+current; if not, the current item does not change.
+.PP
 The function \fBmenu_pattern\fR returns the pattern buffer of the given
 \fImenu\fR.
 .SH RETURN VALUE
-The function \fBmenu_pattern\fR returns \fBNULL\fR on error.  The function
-\fBset_menu_pattern\fR may return the following error codes:
+The function \fBmenu_pattern\fR returns a pointer,
+which is \fBNULL\fR if the \fImenu\fP parameter is \fBNULL\fP.
+Otherwise, it is a pointer to a string which is empty
+if no pattern has been set.
+It does not set errno.
+.PP
+The function \fBset_menu_pattern\fR may return the following error codes:
 .TP 5
-\fBE_OK\fR
+.B E_OK
 The routine succeeded.
 .TP 5
-\fBE_SYSTEM_ERROR\fR
-System error occurred (see \fBerrno\fR).
-.TP 5
-\fBE_BAD_ARGUMENT\fR
+.B E_BAD_ARGUMENT
 Routine detected an incorrect or out-of-range argument.
 .TP 5
-\fBE_NO_MATCH\fR
+.B E_BAD_STATE
+Routine was called from an initialization or termination function.
+.TP 5
+.B E_NOT_CONNECTED
+No items are connected to menu.
+.TP 5
+.B E_NO_MATCH
 Character failed to match.
+.TP 5
+.B E_SYSTEM_ERROR
+System error occurred (see \fBerrno\fR).
 .SH SEE ALSO
 \fBcurses\fR(3X), \fBmenu\fR(3X).
 .SH NOTES
 The header file \fB<menu.h>\fR automatically includes the header file
 \fB<curses.h>\fR.
 .SH PORTABILITY
-These routines emulate the System V menu library.  They were not supported on
+These routines emulate the System V menu library.
+They were not supported on
 Version 7 or BSD versions.
 .SH AUTHORS
-Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric
-S. Raymond.
-.\"#
-.\"# The following sets edit modes for GNU EMACS
-.\"# Local Variables:
-.\"# mode:nroff
-.\"# fill-column:79
-.\"# End:
+Juergen Pfeifer.
+Manual pages and adaptation for new curses by Eric S. Raymond.